public static function hadCommented($userId, $orderId, $goodsId)
{
$ck = Cache::CK_GOODS_HAD_COMMENT . $userId . ':' . $orderId . ':' . $goodsId;
$ret = Cache::get($ck);
if ($ret === false) {
$ret = DB::getDB()->fetchCount('g_goods_comment', array('user_id', 'goods_id', 'order_id'), array($userId, $goodsId, $orderId), array('and', 'and'));
if ($ret !== false) {
Cache::setex($ck, Cache::CK_GOODS_HAD_COMMENT_EXPIRE, (string) $ret);
}
}
return (int) $ret > 0;
}
public static function hadLiked($userId, $commentId)
{
$ck = Cache::CK_GOODS_COMMENT_HAD_LIKE . $commentId . ':' . $userId;
$ret = Cache::get($ck);
if ($ret === false) {
$ret = DB::getDB()->fetchCount('g_goods_comment_like', array('comment_id', 'user_id'), array($commentId, $userId), array('and'));
if ($ret !== false) {
Cache::setex($ck, Cache::CK_GOODS_COMMENT_HAD_LIKE_EXPIRE, (string) $ret);
}
}
return (int) $ret > 0;
}
public static function findAllValidSKUInfo($goodsId)
{
if (empty($goodsId)) {
return array();
}
$ck = Cache::CK_GOODS_SKU . $goodsId;
// TODO 商品被修改时一定要记得刷新缓存（比如供应商后台）
$ret = Cache::get($ck);
if ($ret !== false) {
$ret = json_decode($ret, true);
} else {
$ret = DB::getDB()->fetchAll('g_goods_sku', '*', array('goods_id', 'state', 'sale_price>'), array($goodsId, self::SKU_ST_VALID, 0), array('and', 'and'));
if ($ret !== false) {
Cache::setex($ck, Cache::CK_GOODS_SKU_EXPIRE, json_encode($ret));
}
}
return $ret === false ? array() : $ret;
}
public static function findSomeCouponsByIds($couponIds)
{
if (empty($couponIds)) {
return array();
}
ksort($couponIds, SORT_NUMERIC);
$idSet = implode(',', $couponIds);
$ck = Cache::CK_COUPON_CFG_LIST_INFO . $idSet;
$ret = Cache::get($ck);
if ($ret !== false) {
$ret = json_decode($ret, true);
} else {
$sql = "select * from m_coupon_cfg where id in ({$idSet})";
$ret = DB::getDB()->rawQuery($sql);
if ($ret !== false) {
Cache::setex($ck, json_encode($ret), Cache::CK_COUPON_CFG_INFO_LIST_EXPIRE);
}
}
return $ret === false ? array() : $ret;
}